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Measurements of cross sections and charged pion spectra in proton-carbon interactions at 31 GeV/c

  • N. Abgrall
  • , A. Aduszkiewicz
  • , B. Andrieu
  • , T. Anticic
  • , N. Antoniou
  • , J. Argyriades
  • , A. G. Asryan
  • , B. Baatar
  • , A. Blondel
  • , J. Blumer
  • , M. Bogusz
  • , L. Boldizsar
  • , A. Bravar
  • , W. Brooks
  • , J. Brzychczyk
  • , A. Bubak
  • , S. A. Bunyatov
  • , O. Busygina
  • , T. Cetner
  • , K. U. Choi
  • P. Christakoglou, P. Chung, T. Czopowicz, N. Davis, F. Diakonos, S. Di Luise, W. Dominik, J. Dumarchez, R. Engel, A. Ereditato, L. S. Esposito, G. A. Feofilov, Z. Fodor, A. Ferrero, A. Fulop, X. Garrido, M. Gaździcki, M. Golubeva, K. Grebieszkow, A. Grzeszczuk, F. Guber, H. Hakobyan, T. Hasegawa, S. Igolkin, A. S. Ivanov, Y. Ivanov, A. Ivashkin, K. Kadija, A. Kapoyannis, N. Katryńska, D. Kiełczewska, D. Kikola, J. H. Kim, M. Kirejczyk, J. Kisiel, T. Kobayashi, O. Kochebina, V. I. Kolesnikov, D. Kolev, V. P. Kondratiev, A. Korzenev, S. Kowalski, S. Kuleshov, A. Kurepin, R. Lacey, J. Lagoda, A. Laszlo, V. V. Lyubushkin, M. MacKowiak, Z. Majka, A. I. Malakhov, A. Marchionni, A. Marcinek, I. Maris, V. Marin, T. Matulewicz, V. Matveev, G. L. Melkumov, A. Meregaglia, M. Messina, St Mrówczyński, S. Murphy, T. Nakadaira, P. A. Naumenko, K. Nishikawa, T. Palczewski, G. Palla, A. D. Panagiotou, W. Peryt, O. Petukhov, R. Płaneta, J. Pluta, B. A. Popov, M. Posiadała, S. Puławski, W. Rauch, M. Ravonel, R. Renfordt, A. Robert, D. Röhrich, E. Rondio, B. Rossi, M. Roth, A. Rubbia, M. Rybczyński, A. Sadovsky, K. Sakashita, T. Sekiguchi, P. Seyboth, M. Shibata, A. N. Sissakian, E. Skrzypczak, M. Słodkowski, A. S. Sorin, P. Staszel, G. Stefanek, J. Stepaniak, C. Strabel, H. Ströbele, T. Susa, P. Szaflik, M. Szuba, M. Tada, A. Taranenko, R. Tsenov, R. Ulrich, M. Unger, M. Vassiliou, V. V. Vechernin, G. Vesztergombi, A. Wilczek, Z. Włodarczyk, A. Wojtaszek, J. G. Yi, I. K. Yoo, W. Zipper
  • University of Geneva
  • University of Warsaw
  • Universités Paris VI and VII
  • Ruder Boskovic Institute
  • National and Kapodistrian University of Athens
  • St. Petersburg State University
  • Joint Institute for Nuclear Research
  • Karlsruhe Institute of Technology
  • Warsaw University of Technology
  • Wigner Research Centre for Physics
  • Universidad Técnica Federico Santa Maria
  • Jagiellonian University in Kraków
  • University of Silesia in Katowice
  • Institute for Nuclear Research of the Russian Academy of Sciences
  • Pusan National University
  • Stony Brook University
  • Swiss Federal Institute of Technology Zurich
  • University of Bern
  • Jan Kochanowski University in Kielce
  • Frankfurt University of Applied Sciences
  • High Energy Accelerator Research Organization, Tsukuba
  • University of Wrocław
  • Sofia University St. Kliment Ohridski
  • Andrzej Soltan Institute for Nuclear Studies
  • Goethe University Frankfurt
  • University of Bergen

Research output: Contribution to journalArticlepeer-review

185 Scopus citations

Abstract

Interaction cross sections and charged pion spectra in p+C interactions at 31 GeV/c were measured with the large-acceptance NA61/SHINE spectrometer at the CERN SPS. These data are required to improve predictions of the neutrino flux for the T2K long-baseline neutrino oscillation experiment in Japan. A set of data collected during the first NA61/SHINE run in 2007 with an isotropic graphite target with a thickness of 4% of a nuclear interaction length was used for the analysis. The measured p+C inelastic and production cross sections are 257.2 ± 1.9 ± 8.9 and 229.3 ± 1.9 ± 9.0 mb, respectively. Inclusive production cross sections for negatively and positively charged pions are presented as functions of laboratory momentum in ten intervals of the laboratory polar angle covering the range from 0 up to 420 mrad. The spectra are compared with predictions of several hadron production models.

Original languageEnglish
Article number034604
JournalPhysical Review C - Nuclear Physics
Volume84
Issue number3
DOIs
StatePublished - Sep 6 2011

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